import Phaser from "phaser";
import { type Stats } from "../../core/types";

export class HudComponent {
  private scene: Phaser.Scene;
  private container!: Phaser.GameObjects.Container;
  private healthBar!: Phaser.GameObjects.Graphics;
  private manaBar!: Phaser.GameObjects.Graphics;
  private expBar!: Phaser.GameObjects.Graphics;

  constructor(scene: Phaser.Scene) {
    this.scene = scene;
  }

  create() {
    // Create container for the HUD panel
    this.container = this.scene.add.container(20, 20);
    this.container.setScrollFactor(0).setDepth(1500);

    const panelWidth = 360;
    const panelHeight = 70;

    // Draw background panel
    const bg = this.scene.add.graphics();
    bg.fillStyle(0x2a1f3d, 0.95);
    bg.fillRect(0, 0, panelWidth, panelHeight);
    
    // Gold border (outer)
    bg.lineStyle(3, 0xD4AF37, 1);
    bg.strokeRect(0, 0, panelWidth, panelHeight);
    
    // Inner gold border accent
    bg.lineStyle(2, 0xB8860B, 0.6);
    bg.strokeRect(4, 4, panelWidth - 8, panelHeight - 8);
    
    this.container.add(bg);

    // Heart icon (HP) - red pixel heart
    const heartIcon = this.scene.add.graphics();
    heartIcon.fillStyle(0xFF3333, 1);
    // Simple pixel heart shape (smaller)
    heartIcon.fillRect(14, 14, 6, 6);
    heartIcon.fillRect(20, 14, 6, 6);
    heartIcon.fillRect(11, 18, 18, 8);
    heartIcon.fillRect(14, 26, 12, 3);
    this.container.add(heartIcon);

    // Water drop icon (Mana) - blue pixel drop
    const manaIcon = this.scene.add.graphics();
    manaIcon.fillStyle(0x3399FF, 1);
    // Simple pixel water drop
    manaIcon.fillRect(17, 34, 6, 4);
    manaIcon.fillRect(14, 38, 12, 8);
    this.container.add(manaIcon);

    // Star icon (EXP) - cyan pixel star (smaller)
    const starIcon = this.scene.add.graphics();
    starIcon.fillStyle(0xFFD700, 1);
    // Simple pixel star shape
    starIcon.fillRect(17, 52, 6, 3);
    starIcon.fillRect(14, 55, 12, 6);
    starIcon.fillRect(17, 61, 6, 2);
    this.container.add(starIcon);

    // Create bar graphics (will be updated each frame)
    this.healthBar = this.scene.add.graphics();
    this.manaBar = this.scene.add.graphics();
    this.expBar = this.scene.add.graphics();
    this.container.add(this.healthBar);
    this.container.add(this.manaBar);
    this.container.add(this.expBar);
  }

  update(stats: Stats, _floorIndex: number) {
    const barX = 40;
    const barWidth = 305;
    const barHeight = 14;
    const barSpacing = 4;

    // Update Health Bar
    this.healthBar.clear();
    this.healthBar.fillStyle(0x1a1a1a, 0.9);
    this.healthBar.fillRect(barX, 14, barWidth, barHeight);
    
    const healthPercent = Phaser.Math.Clamp(stats.hp / stats.maxHp, 0, 1);
    this.healthBar.fillStyle(0xFF3333, 1);
    this.healthBar.fillRect(barX, 14, barWidth * healthPercent, barHeight);
    
    this.healthBar.lineStyle(2, 0xD4AF37, 1);
    this.healthBar.strokeRect(barX, 14, barWidth, barHeight);

    // Update Mana Bar
    this.manaBar.clear();
    this.manaBar.fillStyle(0x1a1a1a, 0.9);
    this.manaBar.fillRect(barX, 14 + barHeight + barSpacing, barWidth, barHeight);
    
    const manaPercent = Phaser.Math.Clamp(stats.mana / stats.maxMana, 0, 1);
    this.manaBar.fillStyle(0x3399FF, 1);
    this.manaBar.fillRect(barX, 14 + barHeight + barSpacing, barWidth * manaPercent, barHeight);
    
    this.manaBar.lineStyle(2, 0xD4AF37, 1);
    this.manaBar.strokeRect(barX, 14 + barHeight + barSpacing, barWidth, barHeight);

    // Update EXP Bar
    this.expBar.clear();
    this.expBar.fillStyle(0x1a1a1a, 0.9);
    this.expBar.fillRect(barX, 14 + (barHeight + barSpacing) * 2, barWidth, barHeight);
    
    const expPercent = Phaser.Math.Clamp(stats.exp / stats.expToNextLevel, 0, 1);
    this.expBar.fillStyle(0xFFD700, 1);
    this.expBar.fillRect(barX, 14 + (barHeight + barSpacing) * 2, barWidth * expPercent, barHeight);
    
    this.expBar.lineStyle(2, 0xD4AF37, 1);
    this.expBar.strokeRect(barX, 14 + (barHeight + barSpacing) * 2, barWidth, barHeight);
  }
}